New polling shows that Vice President Kamala Harris’ slight lead over former President Donald Trump in battleground states has evaporated, despite nearly a solid month of positive media coverage since entering the race. Previous polling by the Cook Political Report published last week had Harris ahead of Trump in Arizona, Michigan, North Carolina, Pennsylvania and Wisconsin, according to Axios. Similarly a New York Times/Siena College poll, also released last week, found Harris with a slight lead in Michigan, Wisconsin and Pennsylvania. However, a newer survey conducted by Navigator Research p…